Combining Texts

All the ideas for 'A Problem about Substitutional Quantification?st1=Saul A. Kripke', 'On Sufficient Reason' and 'Ancient Thought in Modern Physics'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

2. Reason / B. Laws of Thought / 1. Laws of Thought

19404

Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

10792

The substitutional quantifier is not in competition with the standard interpretation [Kripke, by Marcus (Barcan)]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

6552	You can only explain the qualities of large objects using entities which lack those qualities [Heisenberg]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

19403

Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz]